<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="warning" @click="keywordQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表v-loading="listLoading"-->
    <el-table :data="tableDatas" v-loading="listLoading" @selection-change="handleSelectionChange" highlight-current-row
              style="width: 100%;">
      <!--多选框-->
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column fixed type="index" width="70" label="序号">
      </el-table-column>
      <el-table-column prop="articleName" fixed label="文章名称" width="120">
      </el-table-column>
      <el-table-column prop="articleTag" fixed label="文章标签" width="120">
      </el-table-column>
      <el-table-column prop="articlePic" label="文章封面" width="120">
        <template scope="scope">
          <el-image
              :src="scope.row.articlePic"
              fit="cover"
          ></el-image>
        </template>
      </el-table-column>
      <el-table-column prop="typeName" label="文章类型" width="120">
      </el-table-column>
      <el-table-column label="文章状态" width="80">
        <template scope="scope">
          <span v-if="scope.row.articleState==0" style="color: coral;">草稿</span>
          <span v-else-if="scope.row.articleState==1" style="color: green;">发布</span>
          <span v-else style="color: gray;">弃用</span>
        </template>
      </el-table-column>
      <el-table-column label="置顶" width="80">
        <template scope="scope">
          <span v-if="scope.row.topState==0" style="color: gray;">不置顶</span>
          <span v-else style="color: gold;">置顶</span>
        </template>
      </el-table-column>
      <el-table-column prop="userName" label="作者" width="120">
      </el-table-column>
      <el-table-column prop="updateTime" label="修改时间" width="200">
      </el-table-column>
      <el-table-column prop="articleReadCount" label="阅读量">
      </el-table-column>
      <el-table-column prop="articleStarNum" label="点赞量">
      </el-table-column>
      <el-table-column prop="articleCommentNum" label="评论量">
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope"><!-- scope当前行数据 -->
          <el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" :disabled="this.sels.length === 0" @click="handlePatchDel">批量删除</el-button>
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
                     :page-sizes="[5, 10, 15]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper"
                     :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--添加或修改界面-->
    <el-dialog title="保存文章类型" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="文章类型" prop="articleType">
          <el-select v-model="saveForm.articleType" clearable filterable placeholder="请选择">
            <el-option
                v-for="item in options"
                :key="item.id"
                :label="item.typeName"
                :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文章名称" prop="articleName">
          <el-input v-model="saveForm.articleName" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="文章标签" prop="articleTag">
          <el-input v-model="saveForm.articleTag" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="文章状态" >
          <template>
            <el-radio v-model="saveForm.articleState" :label="0">草稿</el-radio>
            <el-radio v-model="saveForm.articleState" :label="1">发布</el-radio>
            <el-radio v-model="saveForm.articleState" :label="2">弃用</el-radio>
          </template>
        </el-form-item>
        <el-form-item label="是否置顶">
          <template>
            <el-radio v-model="saveForm.topState" :label="0">不置顶</el-radio>
            <el-radio v-model="saveForm.topState" :label="1">置顶</el-radio>
          </template>
        </el-form-item>
        <!--
        action 请求地址  默认是post请求
        name 取名字
        :on-preview 预览
        :on-success 上传成功触发
        :on-remove  删除触发
        :on-exceed  上传个数限制触发
        :file-list 用来装上传的图片信息
        :limit=1   最多 多少个图片
        accept 允许传入什么图片
        list-type 图片类型(text/picture/picture-card)
        -->
        <el-form-item label="文章封面">
          <el-upload
              action="http://localhost:8080/minio"
              list-type="picture-card"
              name="file"
              :on-success="handleSuccess"
              :file-list="fileList"
              accept=".jpg,.jpeg,.png,.gif"
              :limit=1
              :on-remove="handleRemove">
            <i class="el-icon-plus"></i>
          </el-upload>
          <el-dialog :visible.sync="dialogVisible">
            <img width="100%" :src="dialogImageUrl" alt="">
          </el-dialog>
        </el-form-item>
        <el-form-item label="文章简介" prop="articleRemark">
          <el-input
              type="textarea"
              :rows="4"
              placeholder="请输入内容"
              v-model="saveForm.articleRemark">
          </el-input>
        </el-form-item>
        <el-form-item label="文章内容" prop="articleContent">
          <quill-editor
              v-model="saveForm.articleContent"
              :options="editorOption"
              @ready="onEditorReady($event)"
          >
          </quill-editor>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit('saveForm')">提交</el-button>
      </div>
    </el-dialog>

  </section>
</template>

<script>
//引入Vue的ueditor的资源
import { quillEditor } from "vue-quill-editor"; //调用编辑器
import 'quill/dist/quill.core.css';
import 'quill/dist/quill.snow.css';
import 'quill/dist/quill.bubble.css';
// 工具栏配置
const toolbarOptions = [
  ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线 -----['bold', 'italic', 'underline', 'strike']
  ["blockquote", "code-block"], // 引用  代码块-----['blockquote', 'code-block']
  [{header: 1}, {header: 2}], // 1、2 级标题-----[{ header: 1 }, { header: 2 }]
  [{list: "ordered"}, {list: "bullet"}], // 有序、无序列表-----[{ list: 'ordered' }, { list: 'bullet' }]
  [{script: "sub"}, {script: "super"}], // 上标/下标-----[{ script: 'sub' }, { script: 'super' }]
  [{indent: "-1"}, {indent: "+1"}], // 缩进-----[{ indent: '-1' }, { indent: '+1' }]
  [{direction: "rtl"}], // 文本方向-----[{'direction': 'rtl'}]
  [{size: ["small", false, "large", "huge"]}], // 字体大小-----[{ size: ['small', false, 'large', 'huge'] }]
  [{header: [1, 2, 3, 4, 5, 6, false]}], // 标题-----[{ header: [1, 2, 3, 4, 5, 6, false] }]
  [{color: []}, {background: []}], // 字体颜色、字体背景颜色-----[{ color: [] }, { background: [] }]
  [{font: []}], // 字体种类-----[{ font: [] }]
  [{align: []}], // 对齐方式-----[{ align: [] }]
  ["clean"], // 清除文本格式-----['clean']
  ["image", "link"] // 链接、图片、视频-----['link', 'image', 'video']
];
export default {
  components: {
    quillEditor
  },
  data() {
    return {
      currentFileName:"",
      fileList:[],
      dialogImageUrl: '',
      dialogVisible: false,
      //富文本编辑器配置
      editorOption: {
        modules: {
          //工具栏定义的
          toolbar: toolbarOptions
        },
        //主题
        theme: "snow",
        placeholder: "请开始书写您的博客内容..."
      },
      //1.分页查询相关数据
      totals: 0,//总记录条数
      currentPage: 1,//当前页,要传递到后台的
      pageSize: 10, //每页显示多少条
      tableDatas: [], //当前页数据
      listLoading: false,

      //2.高级查询相关数据
      keyword: '',

      //3.删除相关数据

      //4.批量删除相关数据
      sels: [], //存储多选记录

      //5.添加和修改相关数据
      saveFormVisible: false,
      saveForm: {
        id:null,
        articlePic: null,
        articleName: null,
        articleTag: null,
        articleType: null,
        articleState: null,
        topState: null,
        publishId: null,
        createTime: null,
        updateTime: null,
        articleReadCount: null,
        articleStarNum: null,
        articleCommentNum: null,
        articleRemark: null,
        articleContent: null
      },

      //6.添加和修改校验规则-表单项校验
      saveFormRules: {
        articleType: [
          {required: true, message: '请选择文章类型', trigger: 'blur'}
        ],
        articleName: [
          {required: true, message: '请输入文字名称', trigger: 'blur'}
        ],
        articleRemark: [
          {required: true, message: '请输入文章简介', trigger: 'blur'}
        ],
        articleContent: [
          {required: true, message: '请输入文章内容', trigger: 'blur'}
        ]
      },
      options: []
    }
  },
  methods: {
    //1.分页查询相关方法
    //1.1.获取列表数据
    getTableData() {
      //构建参数
      var data = {
        "keyword": this.keyword,  // key【后端的接收参数一样】 : value【前端data里面的值】
        "page": this.currentPage,// key【后端的接收参数一样】 : value【前端data里面的值】
        "size": this.pageSize    // key【后端的接收参数一样】 : value【前端data里面的值】
      }
      this.$http.post("/article/page", data)
          .then(res => {
            if (res.data.success) {//成功显示数据
              this.tableDatas = res.data.data.list
              this.totals = res.data.data.total;
            } else {//失败提示信息
              this.$message.error(res.data.msg);
            }
          }).catch(res => {//是当前请求发送失败才会触发
        console.log(res)
      })
    },
    //1.2.选择第几页时触发
    handleCurrentChange(curentPage) {
      this.currentPage = curentPage;
      this.getTableData();
    },
    //1.3.选择每页显示记录条数时触发
    handleSizeChange(pageSize) {
      this.pageSize = pageSize;
      this.getTableData();
    },

    //2.高级查询相关方法
    keywordQuery() {
      this.getTableData();
    },

    //3.删除相关方法
    handleDel(row) {

    },


    //4.批量删除相关方法
    //4.1.选项改变时触发
    handleSelectionChange(val) {
      this.sels = val.map(item => item.id)
    },
    //4.2.批量删除
    handlePatchDel() {
      this.$http.post("/articleType/deleteAll", this.sels)
          .then(res => {
            if (res.data.success) {
              //刷新
              this.getTableData();
            } else {
              this.$message.error(res.data.msg);
            }
          }).catch(res => {
        console.log(res)
      })
    },

    //5.添加和修改相关方法
    //5.1.点击添加弹出对话框
    handleAdd() {
      this.saveFormVisible = true
      this.saveForm = {
        articleState: 0,
        topState: 0,
      }
      //添加先清空
      this.fileList = [];
    },
    //5.2.点击修改弹出对话框
    handleEdit(row) {
      //当前行数据 row
      this.saveForm = row;
      //添加先清空
      this.fileList = [];
      //得到图片路径
      let urls = this.saveForm.articlePic.split("/")
      //取图片的名字
      let filename = urls[urls.length - 1]
      //放入到 fileList 必须是这个格式 {name:图片名,url:图片地址}
      this.fileList.push({
        name:filename,
        url:this.saveForm.articlePic
      })
      this.saveFormVisible = true;
    },
    //5.3.提交表单数据操作数据库
    saveSubmit(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          //发送请求
          //得到数据
          var data = this.saveForm;
          //判断parentId是否存在
          if (data.parentId) {
            data.parentId = data.parentId[data.parentId.length - 1]
          }
          //发送请求
          this.$http.post("/article", data)
              .then(res => {
                if (res.data.success) {
                  //重新加载列表
                  this.getTableData();
                  //关闭模态框
                  this.saveFormVisible = false
                } else {
                  //后台报错提示
                  this.$message.error(res.data.msg);
                }
              }).catch(res => {
            console.log(res)
          })
        } else {
          //提示信息
        }
      })

    },
    getArticleTypeList() {
      this.$http.get("/articleType")
          .then(res => {
            if (res.data.success) {
              this.options = res.data.data;
            }
          }).catch(res => {

      })
    },
    onEditorReady(editor) {
      //当富文本编辑框初始化好执行
      console.log('富文本编辑框初始化---------完成');
    },
    handleRemove(file, fileList) {
      this.$http.delete("/minio/"+this.currentFileName)
          .then(res=>{
      })
    },
    handleSuccess(file, fileList){
      this.saveForm.articlePic = file.msg
      //取文件名字
      let url = file.msg.split("/")
      this.currentFileName = url[url.length-1]
    }
  },
  mounted() {
    this.getTableData();
    this.getArticleTypeList();
  }
}

</script>

<style scoped lang="scss">

</style>